[ARCHIVED THREAD] - AR45 bbl length

Posted: 11/24/2016 12:37:35 AM EDT

Bought a glock large frame lower today. Gonna build it up and SBR it. I have an octane that I'll use with 3 lug config.

Ultimate goal is compact .45 PCC. Uses would be for fun and giggles, but also HD.

What bbl length do I want and why? 5.5 or 7.5? I looked up the ballistics charts. But is it really worth the extra 2 inches?, plus it will have a can 90% of the time.

Thanks for any input.

Posted: 11/24/2016 8:50:45 AM EDT

[#1]

I have Glock Syslem in 9m.m. I have a 4.5" and the handling is perfect. And with the can it still seems lively.

Posted: 11/24/2016 9:34:28 AM EDT

[#2]

I assumed that since the Thompson had a 10.5" barrel and the Grease Gun had an 8" barrel the people that made those decisions found some ballistic benefit in a longer barrel.

Posted: 11/24/2016 9:51:47 AM EDT

[#3]

If your goal is a compact PCC, and you want it suppressed 90% of the time, I would go with the shorter barrel.

Posted: 11/25/2016 11:17:06 AM EDT

[#4]

I don't think anyone currently makes a tri lug mount for 45 Auto, If you know of one I'd be grateful for a link.....

Posted: 11/25/2016 1:28:16 PM EDT

[#5]

Quote History

Quoted:
I don't think anyone currently makes a tri lug mount for 45 Auto, If you know of one I'd be grateful for a link.....

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Well shit. I just assumed that they were out there. I gotta go check around now.

Posted: 11/25/2016 3:19:09 PM EDT

[#6]

Quote History

Quoted:
I don't think anyone currently makes a tri lug mount for 45 Auto, If you know of one I'd be grateful for a link.....

View Quote

Contact "59chevy"
He had some custom made for his B&T 45 subguns
Pictures here

[ARCHIVED THREAD] - AR45 bbl length

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[ARCHIVED THREAD] - AR45 bbl length

[ARCHIVED THREAD] - AR45 bbl length